Swimming fin



FIG. 1 is a top perspective view of a swimming fin showing my new design.

FIG. 2 is a bottom perspective view thereof;

FIG. 3 is a top plan view thereof;

FIG. 4 is a bottom plan view thereof;

FIG. 5 is a front plan view thereof;

FIG. 6 is a rear plan view thereof; and,

FIG. 7 is a left side plan view of the swimming fin, the right side being a mirror image thereof. 

CLAIM The ornamental design for a swimming fin, as shown. 